2 friends bought phones that cost different amounts but had identical batteries after using the phones for a while. Both friends had to turn them off to let the batteries cool. This table shows how the temperature of each battery changed over 5 minutes. Battery one went from 33 to 25 battery. 2 went from 33 to 23. During this time thermal energy was transferred from what to what
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During this time, thermal energy was transferred from the batteries to the surrounding environment.
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